JO 7110.65 — Air Traffic Control

JO 7110.65 5-5-11

EDGE OF SCOPE

This reproduces published FAA reference text for study. It does not replace the current official FAA publication or regulation.

Separate a radar‐controlled aircraft climbing or descending through the altitude of an aircraft that has been tracked to the edge of the scope/display by the following minima until nonradar separation has been established:

When less than 40 miles from the antenna- 3 miles from edge of scope.

When 40 miles or more from the antenna- 5 miles from edge of scope.

EAS: Below Flight Level 600- 5 miles .

Flight Level 600 and above- 10 miles .

Retrieved from ecfr.gov on July 20, 2026.